Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2012 9 15.  Predictions up to the next  14.0 days:

     Date     Time(AURA)   AURA Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2012   20:47:00   ( -79.80, -52.94) ( -79.79, -53.08)    3.03                 0
 09/18/2012   12:14:07   (  79.68,-105.61) (  79.68,-105.59)    0.26                55
 09/18/2012   13:03:28   ( -79.90,  63.73) ( -79.91,  63.85)    2.39                22
 09/21/2012   04:30:35   (  79.77,  10.94) (  79.78,  11.01)    1.45                32
 09/21/2012   05:19:59   ( -79.89, 179.47) ( -79.88, 179.34)    2.63                46
 09/23/2012   20:47:04   (  79.78, 126.84) (  79.77, 126.77)    1.40                 8
 09/23/2012   21:36:25   ( -80.00, -63.77) ( -80.00, -63.71)    1.27                69
 09/26/2012   12:14:10   ( -79.70,  74.50) ( -79.70,  74.59)    1.90                62
 09/26/2012   13:03:32   (  79.84,-116.81) (  79.83,-116.89)    1.78                16
 09/29/2012   04:30:40   ( -79.68,-169.79) ( -79.67,-169.90)    2.34                37